10 Best Screw Assortment Sets 2025 in the United States

The Hapric 1400-piece screw assortment kit offers a broad range of common metric and SAE set screws, covering 26 sizes from M3 to M8 and 1/8" to 5/16" in diameter. Made from durable 12.9 grade alloy steel with black zinc plating, these screws resist rust and wear, making them suitable for both indoor and outdoor use. The kit features cup-point screws with socket (hex) heads, which provide secure fastening and good torque. Included are 10 hex keys and tweezers, which add convenience when working on detailed repairs.

The screws come organized in labeled, thick divider boxes that help keep sizes sorted and easy to find. This kit is ideal for those involved in electronics repair, door handle installation, plumbing fixes, or general maintenance requiring set screws. On the downside, while the kit covers the most frequently used sizes, it may not include less common or specialty sizes, and its weight and volume might feel bulky if you only need a few screws. Additionally, the external hex drive means you’ll need the right sized hex keys for installation.

If you want a comprehensive and well-organized collection of common set screws for everyday projects, this kit is a practical and reliable choice.

The Grip-Rite L312STT5 PrimeGuard Plus #10 x 3-1/2" Wood to Wood Deck Screw is a solid choice for those needing reliable screws for exterior wood projects. These screws stand out with their PrimeGuard Plus coating that offers strong corrosion protection, making them ideal for outdoor applications prone to weather exposure.

The Type 17 point design ensures easy self-starting, which means you won't need to pre-drill holes, and it helps prevent the wood from splitting, saving you time and frustration. The bugle head style is designed to provide a smooth and flush finish, enhancing the appearance of your project. Additionally, the star drive T-25 system helps to engage the bit quickly and reduces slippage, and it includes a T-25 bit for convenience.

With coarse threads, these screws offer superior grip, ensuring a tight and solid connection between wood pieces. Made of steel, these screws are durable and robust. The product comes in a 5lb box, which provides a good quantity for larger projects. If you're specifically working on decking or similar wood-to-wood outdoor projects, this product will serve you well.

The Trollug 1305PCS Metric + SAE Set Screw Assortment Kit is an extensive collection that features a variety of screw types and sizes, making it versatile for numerous applications. This kit includes both metric sizes ranging from M3 to M8 and SAE sizes from 1/8-40 to 5/16-18, covering a wide range of needs. The screws are made from 304 stainless steel, which offers excellent corrosion and rust resistance, ensuring durability and reliability in different environments.

The inclusion of 10 hex wrenches and 2 tweezers adds extra value, making installation and adjustments easier. The screws have an internal hex drive and are headless, which means they are designed to lock moving parts effectively in place without protruding heads, often used in precision machinery and small repairs like door knobs and faucets. One particularly user-friendly feature is the organized storage system, with labeled stickers inside the boxes that correspond to the screw size and quantity, facilitating easy identification and transport.

While the kit is relatively compact with dimensions of 7 x 5 x 2 inches, which is convenient for storage, it may not be sufficient for users needing larger screws or quantities beyond the provided range. Additionally, while the kit offers a wide application, it may be overwhelming for someone who only requires a specific type or size of screw for occasional use. It is an excellent choice for hobbyists, DIY enthusiasts, and professionals who need a comprehensive assortment for various small to medium repair tasks.